The researchers theorize that these far-off remnants could either be deposits of silica-rich material that have hung around ...

"We don't know exactly what they are or what material is creating the patterns we have uncovered," researcher Thomas Schouten said.

A new high-resolution computer model shows rocks that are colder, or have a different composition, in Earth's mantle where ...

Hidden deep beneath the Pacific Ocean, researchers have uncovered anomalies in the Earth’s mantle that defy existing ...

Geologists from ETH Zurich and the California Institute of Technology studying the Earth's interior using seismic waves have ...

An international team of geophysicists says it has discovered evidence of a "lost world" hidden beneath the Western Pacific ...

This volcano is the highlight of a chain of underwater mountains known as the Juan de Fuca Ridge (center of above image).

Using high-resolution models to study the Earth's mantle, scientists have identified zones of rocks in the lower mantle layer ...

New research shows that three sites spread along an approximately 620-mile portion of today's Denali Fault were once a smaller united geologic feature indicative of the final joining of two land ...